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Treegen update. Some new symbols. Speed up code a bit.

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RealBadAngel 2013-01-23 04:57:49 +01:00 committed by Perttu Ahola
parent 0a27e81704
commit 1163fdfa11
3 changed files with 112 additions and 45 deletions
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4
doc/lua_api.txt
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@ -1098,7 +1098,9 @@ treedef={
Key for Special L-System Symbols used in Axioms Key for Special L-System Symbols used in Axioms
G - move forward one unit with the pen up G - move forward one unit with the pen up
F - move forward one unit with the pen down drawing trunks and branches F - move forward one unit with the pen down drawing trunks and branches
f - move forward one unit with the pen down drawing leaves f - move forward one unit with the pen down drawing leaves (100% chance)
T - move forward one unit with the pen down drawing trunks only
R - move forward one unit with the pen down placing fruit
A - replace with rules set A A - replace with rules set A
B - replace with rules set B B - replace with rules set B
C - replace with rules set C C - replace with rules set C

124
src/treegen.cpp
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@ -1,7 +1,7 @@
/* /*
Minetest-c55 Minetest-c55
Copyright (C) 2010-2012 celeron55, Perttu Ahola <celeron55@gmail.com>, Copyright (C) 2010-2012 celeron55, Perttu Ahola <celeron55@gmail.com>,
2012 RealBadAngel, Maciej Kasatkin <mk@realbadangel.pl> 2012-2013 RealBadAngel, Maciej Kasatkin <mk@realbadangel.pl>
This program is free software; you can redistribute it and/or modify This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or the Free Software Foundation; either version 2.1 of the License, or
@ -118,7 +118,7 @@ void spawn_ltree (ServerEnvironment *env, v3s16 p0, INodeDefManager *ndef, TreeD
core::map<v3s16, MapBlock*> modified_blocks; core::map<v3s16, MapBlock*> modified_blocks;
ManualMapVoxelManipulator vmanip(map); ManualMapVoxelManipulator vmanip(map);
v3s16 tree_blockp = getNodeBlockPos(p0); v3s16 tree_blockp = getNodeBlockPos(p0);
vmanip.initialEmerge(tree_blockp - v3s16(1,1,1), tree_blockp + v3s16(1,2,1)); vmanip.initialEmerge(tree_blockp - v3s16(1,1,1), tree_blockp + v3s16(1,3,1));
make_ltree (vmanip, p0, ndef, tree_definition); make_ltree (vmanip, p0, ndef, tree_definition);
vmanip.blitBackAll(&modified_blocks); vmanip.blitBackAll(&modified_blocks);
@ -169,8 +169,11 @@ void make_ltree(ManualMapVoxelManipulator &vmanip, v3s16 p0, INodeDefManager *nd
//initialize rotation matrix, position and stacks for branches //initialize rotation matrix, position and stacks for branches
core::matrix4 rotation; core::matrix4 rotation;
rotation=setRotationAxisRadians(rotation, M_PI/2,v3f(0,0,1)); rotation = setRotationAxisRadians(rotation, M_PI/2,v3f(0,0,1));
v3f position = v3f(0,0,0); v3f position;
position.X = p0.X;
position.Y = p0.Y;
position.Z = p0.Z;
std::stack <core::matrix4> stack_orientation; std::stack <core::matrix4> stack_orientation;
std::stack <v3f> stack_position; std::stack <v3f> stack_position;
@ -223,16 +226,16 @@ void make_ltree(ManualMapVoxelManipulator &vmanip, v3s16 p0, INodeDefManager *nd
//make sure tree is not floating in the air //make sure tree is not floating in the air
if (tree_definition.trunk_type == "double") if (tree_definition.trunk_type == "double")
{ {
make_tree_node_placement(vmanip,v3f(p0.X+position.X+1,p0.Y+position.Y-1,p0.Z+position.Z),dirtnode); tree_node_placement(vmanip,v3f(position.X+1,position.Y-1,position.Z),dirtnode);
make_tree_node_placement(vmanip,v3f(p0.X+position.X,p0.Y+position.Y-1,p0.Z+position.Z+1),dirtnode); tree_node_placement(vmanip,v3f(position.X,position.Y-1,position.Z+1),dirtnode);
make_tree_node_placement(vmanip,v3f(p0.X+position.X+1,p0.Y+position.Y-1,p0.Z+position.Z+1),dirtnode); tree_node_placement(vmanip,v3f(position.X+1,position.Y-1,position.Z+1),dirtnode);
} }
if (tree_definition.trunk_type == "crossed") if (tree_definition.trunk_type == "crossed")
{ {
make_tree_node_placement(vmanip,v3f(p0.X+position.X+1,p0.Y+position.Y-1,p0.Z+position.Z),dirtnode); tree_node_placement(vmanip,v3f(position.X+1,position.Y-1,position.Z),dirtnode);
make_tree_node_placement(vmanip,v3f(p0.X+position.X-1,p0.Y+position.Y-1,p0.Z+position.Z),dirtnode); tree_node_placement(vmanip,v3f(position.X-1,position.Y-1,position.Z),dirtnode);
make_tree_node_placement(vmanip,v3f(p0.X+position.X,p0.Y+position.Y-1,p0.Z+position.Z+1),dirtnode); tree_node_placement(vmanip,v3f(position.X,position.Y-1,position.Z+1),dirtnode);
make_tree_node_placement(vmanip,v3f(p0.X+position.X,p0.Y+position.Y-1,p0.Z+position.Z-1),dirtnode); tree_node_placement(vmanip,v3f(position.X,position.Y-1,position.Z-1),dirtnode);
} }
/* build tree out of generated axiom /* build tree out of generated axiom
@ -241,7 +244,9 @@ void make_ltree(ManualMapVoxelManipulator &vmanip, v3s16 p0, INodeDefManager *nd
G - move forward one unit with the pen up G - move forward one unit with the pen up
F - move forward one unit with the pen down drawing trunks and branches F - move forward one unit with the pen down drawing trunks and branches
f - move forward one unit with the pen down drawing leaves f - move forward one unit with the pen down drawing leaves (100% chance)
T - move forward one unit with the pen down drawing trunks only
R - move forward one unit with the pen down placing fruit
A - replace with rules set A A - replace with rules set A
B - replace with rules set B B - replace with rules set B
C - replace with rules set C C - replace with rules set C
@ -275,35 +280,54 @@ void make_ltree(ManualMapVoxelManipulator &vmanip, v3s16 p0, INodeDefManager *nd
dir = transposeMatrix(rotation,dir); dir = transposeMatrix(rotation,dir);
position+=dir; position+=dir;
break; break;
case 'T':
tree_trunk_placement(vmanip,v3f(position.X,position.Y,position.Z),tree_definition);
if (tree_definition.trunk_type == "double" && !tree_definition.thin_branches)
{
tree_trunk_placement(vmanip,v3f(position.X+1,position.Y,position.Z),tree_definition);
tree_trunk_placement(vmanip,v3f(position.X,position.Y,position.Z+1),tree_definition);
tree_trunk_placement(vmanip,v3f(position.X+1,position.Y,position.Z+1),tree_definition);
}
if (tree_definition.trunk_type == "crossed" && !tree_definition.thin_branches)
{
tree_trunk_placement(vmanip,v3f(position.X+1,position.Y,position.Z),tree_definition);
tree_trunk_placement(vmanip,v3f(position.X-1,position.Y,position.Z),tree_definition);
tree_trunk_placement(vmanip,v3f(position.X,position.Y,position.Z+1),tree_definition);
tree_trunk_placement(vmanip,v3f(position.X,position.Y,position.Z-1),tree_definition);
}
dir = v3f(1,0,0);
dir = transposeMatrix(rotation,dir);
position+=dir;
break;
case 'F': case 'F':
make_tree_trunk_placement(vmanip,v3f(p0.X+position.X,p0.Y+position.Y,p0.Z+position.Z),tree_definition); tree_trunk_placement(vmanip,v3f(position.X,position.Y,position.Z),tree_definition);
if ((stack_orientation.empty() && tree_definition.trunk_type == "double") || if ((stack_orientation.empty() && tree_definition.trunk_type == "double") ||
(!stack_orientation.empty() && tree_definition.trunk_type == "double" && !tree_definition.thin_branches)) (!stack_orientation.empty() && tree_definition.trunk_type == "double" && !tree_definition.thin_branches))
{ {
make_tree_trunk_placement(vmanip,v3f(p0.X+position.X+1,p0.Y+position.Y,p0.Z+position.Z),tree_definition); tree_trunk_placement(vmanip,v3f(position.X+1,position.Y,position.Z),tree_definition);
make_tree_trunk_placement(vmanip,v3f(p0.X+position.X,p0.Y+position.Y,p0.Z+position.Z+1),tree_definition); tree_trunk_placement(vmanip,v3f(position.X,position.Y,position.Z+1),tree_definition);
make_tree_trunk_placement(vmanip,v3f(p0.X+position.X+1,p0.Y+position.Y,p0.Z+position.Z+1),tree_definition); tree_trunk_placement(vmanip,v3f(position.X+1,position.Y,position.Z+1),tree_definition);
} }
if ((stack_orientation.empty() && tree_definition.trunk_type == "crossed") || if ((stack_orientation.empty() && tree_definition.trunk_type == "crossed") ||
(!stack_orientation.empty() && tree_definition.trunk_type == "crossed" && !tree_definition.thin_branches)) (!stack_orientation.empty() && tree_definition.trunk_type == "crossed" && !tree_definition.thin_branches))
{ {
make_tree_trunk_placement(vmanip,v3f(p0.X+position.X+1,p0.Y+position.Y,p0.Z+position.Z),tree_definition); tree_trunk_placement(vmanip,v3f(position.X+1,position.Y,position.Z),tree_definition);
make_tree_trunk_placement(vmanip,v3f(p0.X+position.X-1,p0.Y+position.Y,p0.Z+position.Z),tree_definition); tree_trunk_placement(vmanip,v3f(position.X-1,position.Y,position.Z),tree_definition);
make_tree_trunk_placement(vmanip,v3f(p0.X+position.X,p0.Y+position.Y,p0.Z+position.Z+1),tree_definition); tree_trunk_placement(vmanip,v3f(position.X,position.Y,position.Z+1),tree_definition);
make_tree_trunk_placement(vmanip,v3f(p0.X+position.X,p0.Y+position.Y,p0.Z+position.Z-1),tree_definition); tree_trunk_placement(vmanip,v3f(position.X,position.Y,position.Z-1),tree_definition);
} }
if (stack_orientation.empty() == false) if (stack_orientation.empty() == false)
{ {
s16 size = 1; s16 size = 1;
for(x=-size; x<size+1; x++) for(x=-size; x<=size; x++)
for(y=-size; y<size+1; y++) for(y=-size; y<=size; y++)
for(z=-size; z<size+1; z++) for(z=-size; z<=size; z++)
if (abs(x) == size && abs(y) == size && abs(z) == size) if (abs(x) == size && abs(y) == size && abs(z) == size)
{ {
make_tree_leaves_placement(vmanip,v3f(p0.X+position.X+x+1,p0.Y+position.Y+y,p0.Z+position.Z+z),tree_definition); tree_leaves_placement(vmanip,v3f(position.X+x+1,position.Y+y,position.Z+z),tree_definition);
make_tree_leaves_placement(vmanip,v3f(p0.X+position.X+x-1,p0.Y+position.Y+y,p0.Z+position.Z+z),tree_definition); tree_leaves_placement(vmanip,v3f(position.X+x-1,position.Y+y,position.Z+z),tree_definition);
make_tree_leaves_placement(vmanip,v3f(p0.X+position.X+x,p0.Y+position.Y+y,p0.Z+position.Z+z+1),tree_definition); tree_leaves_placement(vmanip,v3f(position.X+x,position.Y+y,position.Z+z+1),tree_definition);
make_tree_leaves_placement(vmanip,v3f(p0.X+position.X+x,p0.Y+position.Y+y,p0.Z+position.Z+z-1),tree_definition); tree_leaves_placement(vmanip,v3f(position.X+x,position.Y+y,position.Z+z-1),tree_definition);
} }
} }
dir = v3f(1,0,0); dir = v3f(1,0,0);
@ -311,12 +335,19 @@ void make_ltree(ManualMapVoxelManipulator &vmanip, v3s16 p0, INodeDefManager *nd
position+=dir; position+=dir;
break; break;
case 'f': case 'f':
make_tree_leaves_placement(vmanip,v3f(p0.X+position.X,p0.Y+position.Y,p0.Z+position.Z),tree_definition); tree_single_leaves_placement(vmanip,v3f(position.X,position.Y,position.Z),tree_definition);
dir = v3f(1,0,0); dir = v3f(1,0,0);
dir = transposeMatrix(rotation,dir); dir = transposeMatrix(rotation,dir);
position+=dir; position+=dir;
break; break;
// turtle commands case 'R':
tree_fruit_placement(vmanip,v3f(position.X,position.Y,position.Z),tree_definition);
dir = v3f(1,0,0);
dir = transposeMatrix(rotation,dir);
position+=dir;
break;
// turtle orientation commands
case '[': case '[':
stack_orientation.push(rotation); stack_orientation.push(rotation);
stack_position.push(position); stack_position.push(position);
@ -363,7 +394,7 @@ void make_ltree(ManualMapVoxelManipulator &vmanip, v3s16 p0, INodeDefManager *nd
} }
} }
void make_tree_node_placement(ManualMapVoxelManipulator &vmanip, v3f p0, void tree_node_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
MapNode node) MapNode node)
{ {
v3s16 p1 = v3s16(myround(p0.X),myround(p0.Y),myround(p0.Z)); v3s16 p1 = v3s16(myround(p0.X),myround(p0.Y),myround(p0.Z));
@ -376,7 +407,7 @@ void make_tree_node_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
vmanip.m_data[vmanip.m_area.index(p1)] = node; vmanip.m_data[vmanip.m_area.index(p1)] = node;
} }
void make_tree_trunk_placement(ManualMapVoxelManipulator &vmanip, v3f p0, void tree_trunk_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
TreeDef &tree_definition) TreeDef &tree_definition)
{ {
v3s16 p1 = v3s16(myround(p0.X),myround(p0.Y),myround(p0.Z)); v3s16 p1 = v3s16(myround(p0.X),myround(p0.Y),myround(p0.Z));
@ -389,7 +420,7 @@ void make_tree_trunk_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
vmanip.m_data[vmanip.m_area.index(p1)] = tree_definition.trunknode; vmanip.m_data[vmanip.m_area.index(p1)] = tree_definition.trunknode;
} }
void make_tree_leaves_placement(ManualMapVoxelManipulator &vmanip, v3f p0, void tree_leaves_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
TreeDef &tree_definition) TreeDef &tree_definition)
{ {
MapNode leavesnode=tree_definition.leavesnode; MapNode leavesnode=tree_definition.leavesnode;
@ -413,6 +444,35 @@ void make_tree_leaves_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
vmanip.m_data[vmanip.m_area.index(p1)] = leavesnode; vmanip.m_data[vmanip.m_area.index(p1)] = leavesnode;
} }
void tree_single_leaves_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
TreeDef &tree_definition)
{
MapNode leavesnode=tree_definition.leavesnode;
if (myrand_range(1,100) > 100-tree_definition.leaves2_chance)
leavesnode=tree_definition.leaves2node;
v3s16 p1 = v3s16(myround(p0.X),myround(p0.Y),myround(p0.Z));
if(vmanip.m_area.contains(p1) == false)
return;
u32 vi = vmanip.m_area.index(p1);
if(vmanip.m_data[vi].getContent() != CONTENT_AIR
&& vmanip.m_data[vi].getContent() != CONTENT_IGNORE)
return;
vmanip.m_data[vmanip.m_area.index(p1)] = leavesnode;
}
void tree_fruit_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
TreeDef &tree_definition)
{
v3s16 p1 = v3s16(myround(p0.X),myround(p0.Y),myround(p0.Z));
if(vmanip.m_area.contains(p1) == false)
return;
u32 vi = vmanip.m_area.index(p1);
if(vmanip.m_data[vi].getContent() != CONTENT_AIR
&& vmanip.m_data[vi].getContent() != CONTENT_IGNORE)
return;
vmanip.m_data[vmanip.m_area.index(p1)] = tree_definition.fruitnode;
}
irr::core::matrix4 setRotationAxisRadians(irr::core::matrix4 M, double angle, v3f axis) irr::core::matrix4 setRotationAxisRadians(irr::core::matrix4 M, double angle, v3f axis)
{ {
double c = cos(angle); double c = cos(angle);

15
src/treegen.h
View File

@ -1,7 +1,7 @@
/* /*
Minetest-c55 Minetest-c55
Copyright (C) 2010-2012 celeron55, Perttu Ahola <celeron55@gmail.com>, Copyright (C) 2010-2012 celeron55, Perttu Ahola <celeron55@gmail.com>,
2012 RealBadAngel, Maciej Kasatkin <mk@realbadangel.pl> 2012-2013 RealBadAngel, Maciej Kasatkin <mk@realbadangel.pl>
This program is free software; you can redistribute it and/or modify This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or the Free Software Foundation; either version 2.1 of the License, or
@ -57,14 +57,19 @@ int fruit_chance;
void make_ltree(ManualMapVoxelManipulator &vmanip, v3s16 p0, INodeDefManager *ndef, void make_ltree(ManualMapVoxelManipulator &vmanip, v3s16 p0, INodeDefManager *ndef,
TreeDef tree_definition); TreeDef tree_definition);
// Spawn L-systems tree from LUA // Spawn L-systems tree from LUA
void spawn_ltree (ServerEnvironment *env, v3s16 p0, INodeDefManager *ndef, TreeDef tree_definition); void spawn_ltree (ServerEnvironment *env, v3s16 p0, INodeDefManager *ndef,
TreeDef tree_definition);
// L-System tree gen helper functions // L-System tree gen helper functions
void make_tree_node_placement(ManualMapVoxelManipulator &vmanip, v3f p0, void tree_node_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
MapNode node); MapNode node);
void make_tree_trunk_placement(ManualMapVoxelManipulator &vmanip, v3f p0, void tree_trunk_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
TreeDef &tree_definition); TreeDef &tree_definition);
void make_tree_leaves_placement(ManualMapVoxelManipulator &vmanip, v3f p0, void tree_leaves_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
TreeDef &tree_definition);
void tree_single_leaves_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
TreeDef &tree_definition);
void tree_fruit_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
TreeDef &tree_definition); TreeDef &tree_definition);
irr::core::matrix4 setRotationAxisRadians(irr::core::matrix4 M, double angle,v3f axis); irr::core::matrix4 setRotationAxisRadians(irr::core::matrix4 M, double angle,v3f axis);